Solar control laminate

a technology of solar energy and laminate, applied in the field of solar energy laminate, can solve the problems of affecting the function of radio, television, automated toll collection, moisture intrusion into sputtered metal coated films during and after, and requiring additional, complicated processes

Inactive Publication Date: 2007-03-01
KURARAY AMERICA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0027] Optionally, the solar control laminate also comprises a rigid sheet, such as a glass sheet, for example.

Problems solved by technology

In addition to infrared light, metallized films also reflect certain radio wavelengths, thus impairing the function of radio, television, global positioning systems (GPS), automated toll collection, keyless entry, communication systems, automatic garage openers, automated teller machines, radio frequency identification (RFID), and like systems commonly used in automobiles or other structures that may be protected by solar control laminated glass.
This impairment is a direct result of the metal layers being continuous and, therefore, electrically conductive.
Finally, moisture intrusion into sputtered metal coated films during and after the glass lamination process requires additional, complicated processes to allow for edge deletions from the interlayer.
This type of structure complicates the manufacturing processes.
Over time they may develop scratches or stress cracks on the film.
They may also form bubbles or otherwise develop partial or total lack of adhesion to the window from, for example, humidity, heat or both.
The addition of the nanoparticles into the polymeric interlayers necessarily complicates the processes by which these laminates are produced.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

examples 1 to 4

[0139] For each of Examples 1 to 4, two Butacite® interlayer sheets and a solar control film were conditioned overnight at 23% relative humidity a temperature of 72.1° F. The solar control films were Raybarrier™ films available from the Sumitomo Osaka Cement Company, Ltd., of Chiba, Japan. The specific grade of Raybarrier™ film used in each Example is identified in Table 3. A glass / interlayer / film / interlayer / glass pre-press assembly consisting of, in order, a clear annealed float glass plate layer, a first conditioned Butacite® sheet layer, a solar control film, a second conditioned Butacite® sheet layer, and a second clear annealed float glass plate layer (each layer measuring 6 inches by 12 inches; glass layers 2.5 mm thick; Butacite® sheets 15 mils thick) was laminated according to the standard procedure. Example 3 is a repetition of Example 1. The compressive shear strength, pummel adhesion, haze, solar transmission and visible light transmission were measured for CE1 and Exampl...

example 5

[0140] Two Butacite® BE-1030 sheets and a Raybarrier™ TFI-3880N film were conditioned overnight at 23% relative humidity and a temperature of 72° F. A pre-press assembly consisting of, in order, an annealed float glass sheet layer, a thin Teflon® film layer, a Butacite® sheet layer, the Raybarrier™ TFI-3880N film layer with its coated side in contact with the Butacite® sheet, a thin Teflon® film layer, and an annealed float glass layer (each layer measuring 6 inches by 12 inches; glass layers 2.5 mm thick; Butacite® sheets 15 mils thick) was laminated according to the standard method. The glass sheet / Teflon® film / Butacite® interlayer / Raybarrier™ film / Teflon® film / glass sheet laminate was removed from the autoclave, cooled to room temperature, and separated along the Teflon® layers to yield a solar control laminate of a Butacite sheet and a Raybarrier™ film. The procedure was then repeated.

[0141] The peel strength adhesion of the two Butacite® sheet / Raybarrier™ film laminates was me...

example 6

[0142] The fabrication and measurements of Example 5 were repeated, except that the uncoated side of the Raybarrier™ TFI-3880N film was in contact with the Butacite® sheet. The resulting laminates were found to have poor adhesion.

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Abstract

Provided are solar control laminates comprising a solar control film and a polymeric sheet. The solar control film comprises a polymeric film coated with a coating comprising inorganic infrared absorbing nanoparticles. Preferably, inorganic infrared absorbing nanoparticles comprise nanoparticles of antimony tin oxide (ATO), indium tin oxide (ITO), lanthanum hexaboride (LaB6) or mixtures thereof. Optionally, the solar control laminate also comprises a rigid sheet, such as a glass sheet.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims priority under 35 U.S.C. § 120 to U.S. Provisional Application No. 60 / 713,054, filed Aug. 31, 2005; U.S. Provisional Application No. 60 / 713,056, filed Aug. 31, 2005; U.S. Provisional Application No. 60 / 721,913, filed Sep. 29, 2005; U.S. Provisional Application No. 60 / 721,719, filed Sep. 29, 2005; U.S. Provisional Application No. 60 / 721,797, filed Sep. 29, 2005, each of which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention pertains to the field of devices that reduce the transmission of radiation, and particularly to devices that reduce the transmission of infrared light. [0004] 2. Description of the Related Art [0005] Several patents and publications are cited in this description in order to more fully describe the state of the art to which this invention pertains. The entire disclosure of each of these patents and publi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B32B5/16B32B27/36B32B27/34B32B27/40B32B27/30B32B27/32B32B27/18
CPCB32B17/10Y10T428/269B32B17/10036B32B17/10743B32B17/10761B32B17/10788B32B27/08B32B27/16B32B27/18B32B27/304B32B27/306B32B27/32B32B27/36B32B27/40B32B2250/24B32B2255/10B32B2255/20B32B2255/26B32B2264/102B32B2307/412B32B2307/42B32B2307/518B32B2307/54B32B2367/00B32B2419/04B32B2551/00B32B2605/00B32B2605/006B32B17/10018Y10T428/25B32B17/10633Y10T428/24975Y10T428/2495Y10T428/256Y10T428/24091Y10T428/3154Y10T428/31507Y10T428/31504Y10T428/31739Y10T428/31971Y10T428/31551Y10T428/31855Y10T428/31938Y10T428/31935Y10T428/31786B32B17/10005
Inventor ANDERSON, JERREL C.FUGIEL, RICHARD A.HAYES, RICHARD A.SILVERMAN, LEE A.
Owner KURARAY AMERICA INC
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